AMERICAN CANYON, CA · Napa County
AMERICAN CANYON, CITY OF Water System
Consumer Confidence Report status
AMERICAN CANYON, CITY OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for AMERICAN CANYON, CITY OF.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA2810005
- System type
- Community Water System
- Population served
- 21,437
- Service connections
- 7,150
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
AMERICAN CANYON, CITY OF is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 21,437 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 2019, all of which EPA lists as closed. Nothing has been added since 2019.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Stage 2 Disinfectants and Disinfection Byproducts Rule.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2019 – March 31, 2019
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2019 – March 31, 2019 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- June 3, 2010State Compliance achieved36 linked violations
Common questions
Is AMERICAN CANYON, CITY OF required to publish a Consumer Confidence Report?
- Yes. AMERICAN CANYON, CITY OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is AMERICAN CANYON, CITY OF’s next Consumer Confidence Report due?
- AMERICAN CANYON, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does AMERICAN CANYON, CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for AMERICAN CANYON, CITY OF.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
PATRICK, DOMINIC
707-258-1269
AMERICAN CANYON, CA 94503